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DigiTemp
®
Jr. Description and Specifications
Specifications
Maximum Operating Pressure ...................................................... 200psi (1379 kPa)
Maximum Hot Water Temperature ..................................................... 200 °F (93 °C)
Minimum Hot Water Supply Temperature** .................... 2 °F (1 °C) Above Set Point
Hot Water Inlet Temperature Range ................................... 120 – 180 °F (49-82 °C)
Cold Water Inlet Range ............................................................ 39 – 60 °F (4-16 °C)
Minimum Flow*** ....................................................................... 0.5 gpm (1.89 lpm)
Temperature Adjustment Range**** .................................... 60 – 180 °F (16-82 °C)
Listing/Compliance ................................... ASSE1017
®
, cUPC
®
, NSF
®
, UL60730, CE
Weight ...................................................................................................V23 13lb (6kg)
...........................................................................................................V55 17lb (8kg)
...........................................................................................................V71 16lb (7kg)
........................................................................................................ V125 19lb (9kg)
**With Equal Pressure
*** Minimum flow when DigiTemp
®
Jr. is installed at or near hot water source recirculating tempered water with a
properly sized continuously operating recirculating pump (5 gpm minimum).
****Low limit cannot be less than the cold water temperature. For best operation, hot water should be at least
2°F above desired set point.
Technical Specifications
Power ........................................................... 115-230 V (ac) ± 10%, 50/60 Hz, 20 VA
Actuator load: .......................................................................... 24 V (dc), 0.55 A, 13 W
Capacity
Installation
Failure to follow all installation requirements risks possible death, personal injury,
property damage, and failure of the DigiTemp
®
Jr. to perform as intended.
• Installation of these valves MUST be performed by qualified technicians, including licensed electricians
and plumbers, following all manufacturer’s instructions, complying with all local, state, federal and other
governmental requirements, and with all building and construction codes and standards.
• Use ONLY with a potable water distribution system free of debris, foreign materials, corrosive chemicals
or substances, and other adverse conditions.
• DigiTemp
®
Jr. is recommended for use as part of a water distribution system compliant with local
codes, including mixing valves and/or temperature limiting devices at all point-of-use fixtures
(faucets, sinks, tubs, showers, etc.).
• DigiTemp
®
Jr. MUST be installed in a dry enclosed area not susceptible to the weather elements such
as rain, snow, ice, freezing temperature, direct sunlight or excessive heat.
• Keep work area clean, well-lighted, free of clutter and distractions, and accessible only by authorized
personnel and workers.
• DigiTemp
®
Jr. valves and touchscreen display must be located in accessible and well lighted area for
use, servicing, repair or replacement by authorized personnel.
• Valves Control Module is electrically powered. ALWAYS take proper precautions to recognize, evaluate,
and control electricity hazards during installation, programming, use and service/maintenance.
WARNING
!
NOTICE
Installation of DigiTemp
®
Jr. is performed by the owner using qualified and licensed trades such as plumbers
and electricians, following all local, state, federal and other governmental requirements, and all building and
construction codes and standards. Step-by-step installation instructions depend upon the application and
the configuration of the building’s water distribution system.
All installations require thorough flushing of all piping BEFORE installation, and testing for and eliminating all
leaks before and after installation.
Connect inlets and outlet and check for leaks
To connect Power supply
• Press down on top of the front cover and pull out and down
• Lift the front cover up and away from the controller
• Loosen the screws at the front of the wiring cover
• Pull wiring cover straight out from the wiring chamber
• Connect live wire to terminal marked “L” and neutral wire to
terminal marked “N” (see page 8)
• Re-assemble in reverse order.
Front Cover
Wiring Cover
Flow Capacity at 50-50 Mixed Ratio
Pressure Drop Across Valve
Model
CV
5 psi
34 kpa
10 psi
69 kpa
20 psi
138 kpa
30 psi
207 kpa
45 psi
310 kpa
50 psi
345 kpa
V23
7.3
16 gpm
61 lpm
23 gpm
87 lpm
33 gpm
125 lpm
40 gpm
151 lpm
49 gpm
185 lpm
52 gpm
197 lpm
V55
17.5
39 gpm
148 lpm
55 gpm
208 lpm
78 gpm
295 lpm
96 gpm
363 lpm
117 gpm
443 lpm
124 gpm
469 lpm
V71
22.5
50 gpm
189 lpm
71 gpm
269 lpm
101 gpm
382 lpm
123 gpm
466 lpm
151 gpm
572 lpm
159 gpm
602 lpm
V125 39.5
88 gpm
333 lpm
125 gpm
473 lpm
177 gpm
670 lpm
198 gpm
749 lpm
265 gpm
1003 lpm
279 gpm
1056 lpm
