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| Models 2-Way Valve-Piping Packages |
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Price offers three 2 way valve-piping packages. The Basic valve-piping package is a simple cost-effective means of controlling water flow to the coil. It features two shut-off ball valves with memory stops to aid in balancing, and an automatic temperature control (ATC) valve to vary the water flow to the coil.
The Intermediate 2 way valve-piping package adds a much improved method of balancing the water flow with a selectable automatic (fixed) or a manual balancing valve (also known as circuit setter). The automatic valve ensures design flows are maintained within 10% over a differential of 2-80 psi. The manual balancing valve comes with a memory stop to ensure the correct balanced setting is not lost when servicing. P/T ports are included to allow for measurement of the pressure and temperature drop across the valve. This pressure drop can be compared to factory supplied tables that provide the relationship of the pressure drop to a specific flow rate. |
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The Deluxe 2 way valve-piping package builds on the Intermediate by adding a strainer to the supply and unions to the coil connection. The unions are used to quickly separate the coil from the valve-piping package for maintenance or other issues. The coil connections and both sides of the piping package connections are the same nominal pipe size. The coil connections must be sweated, and the opposite side of the piping package is threaded (FNPT).
The Basic package requires assembly and must be sweated to the unit. The Intermediate and Deluxe packages are shipped assembled and leak tested. All packages are tagged to correspond with the fan coil tag and drop shipped for field installation. |
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| Basic features: |
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- Threaded trunk connections are FNPT and the same size as the coil connection.
- Two shut-off ball valves with memory stop and pressure and temperature (P/T) ports to aid in water flow balancing.
- Automatic temperature control valve (ATC) available in 1/2, 3/4, or 1 in.
- 2 way zone valves, globe style, with a metal-on-metal seat.
- High close-off pressure of 50 psi
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| Intermediate features – Basic, plus: |
- Sweat-MNPT adapters.
- Leak tested assembly.
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| Deluxe features – Intermediate plus: |
- Inline supply strainer,
- Coil Unions for simple coil servicing
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| Options |
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- 24, 120, 208, 230, 277 volt on/off spring return actuator (NC) with manual override.
- 24V modulating 0-10 vdc proportional actuator.
- 24V floating point (3 wire) modulating actuator.
- ATCs are supplied as normally closed (NC). Consult factory if normally open (NO) is required.
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| 1. |
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All standard valve packages in this catalog are for hot and chilled water applications.
Ethylene and Propylene glycol may be used up to a 50% concentration. |
| 2. |
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Basic piping packages are shipped as loose parts for field assembly, installation and wiring. |
| 3. |
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Intermediate and Deluxe packages are supplier assembled and leak tested before being shipped loose for field installation and wiring. |
| 4. |
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3-Way bypass installation and assembly by others. |
| 5. |
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Control valve actuators are removable, and may be serviced or replaced without removal of valve body. |
| 6. |
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ATC’s are factory supplied as Normally Closed (NC). Normally Open (NO) requires a different actuator. Consult factory if NO is required. |
| 7. |
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3-Way control valves are installed as mixing style. |
| 8. |
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All ball isolation valves are supplied with an adjustable memory stop and may be used to help balance the unit. |
| 9. |
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Pressure/Temperature ports (P/T) are included on every piping package to help monitor pressure and temperature across the coil valve body. |
| 10. |
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Destined coil connection size determines trunk and coil nominal connection sizes. |
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FCHCB/P Coil Connection |
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1 Row |
2 Row |
3 Row |
4 Row |
| OD
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5/8"
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5/8"
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7/8"
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7/8"
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| Nom.
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1/2"
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1/2"
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3/4"
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3/4"
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| FCHG Coil Connection |
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1 Row |
2 Row |
3 Row |
4 Row |
6 Row |
| OD |
30/40 |
7/8" |
7/8" |
7/8" |
7/8" |
11/8" |
| 50/60 |
7/8" |
7/8" |
7/8" |
7/8" |
11/8" |
| 70 |
7/8" |
7/8" |
11/8" |
11/8" |
11/8" |
| Nom. |
30/40 |
3/4" |
3/4" |
3/4" |
3/4" |
1" |
| 50/60 |
3/4" |
3/4" |
3/4" |
3/4" |
1" |
| 70 |
3/4" |
3/4" |
1" |
1" |
1" |
OD = Outside Diameter
Nom. = Nominal Pipe Size |
| 11. |
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Selected GPM dictates the piping package component sizes. |
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Maximum Flow and Close off Pressure (PSI) |
Valve Size |
Basic |
Intermediate/Deluxe |
NSA
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GPM |
PSI |
GPM |
PSI |
Max. GPM |
| 1/2" |
6.00 |
44 |
5.00
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44
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4.00
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| 3/4" |
12.00 |
44 |
9.00
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44
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7.00
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| 1.0"
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19.00
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22
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19.00
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22
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11.00
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NSA = Noise Sensitive Application
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| 12. |
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Do not exceed the noise sensitive application (NSA) GPM if concerned about noise from water flow. Individual coil GPM requirements must be specified at time of order. |
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ATC size is changeable within the package if desired valve body Cv is required. |
| 14. |
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Some piping packages may extend beyond the unit drain pan and/or auxiliary drain pan. Requirements for further condensate capture or insulating supplied valves is by others. |
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Modulating cooling control valves can increase part load space relative humidity. Proper control sequence and space relative humidity monitoring needs to be present. |
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Modulating heating control valves may result in lower leaving air temperatures while desired setpoint is approached. |
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