Chromalox PN400-3 Electric Heater User Manual


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OPERATION
“Off” Setting – de-energized the entire control circuit, thus de-
energizing all heating circuits in the system.
“Automatic” Setting – allows the Day-Night Clock Panel to
cycle the control system according to the program clock dial trip-
per settings.
To Set Trippers – refer to picture for typical setup of a Seven Day
Program. Two trippers must be used for each day; an “A” tripper
for switching from “Night Setback” to “Day Operation” and a “B”
tripper for switching from “Day Operation” to “Night Setback”.
WARNING: To set the correct day and time at begin-
ning of initial start-up, ROTATE THE PROGRAM
CLOCK DIAL CLOCKWISE ONLY. DO NOT ATTEMPT
TO TURN POINTER!
Adjusting and Maintenance of Time Switch:
1. Periodically check trippers to insure that they are tightly fas-
tened to Program Clock dial.
WARNING: Tighten trippers with fingers only!
2. Rotate Program Clock dial CLOCKWISE one hour in Spring to
adjust for daylight savings time (in areas where required). In
Fall, carefully rotate clock dial CLOCKWISE approximately
one full turn to reset at correct day and time for standard time.
Check all trippers to insure they have not moved during rotation.
3. The Program Clock motor is permanently lubricated.
Lubrication of other parts is not required.
4. The Program Clock switch contacts are factory set and need no
field adjustment.
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OPTIONAL EQUIPMENT
TYPE RST RENEWAL PARTS IDENTIFICATION
Renewal Volts
Model Part No. Operation 60 Hz Switch Amps
4 Pole
TMC71 311-057070-001 Seven Day 120 2 N.O. 40
2 N.C.
240 Volts 480 Volts
Model Element Circuit Breaker Contactor #1 Contactor #2 Fuse Element Circuit Breaker Contactor #1 Contactor #2 Fuse
RST-21915 157-120541-001 104-071818-024 072-120812-012 072-120812-012 128-114696-012 157-120541-002 104-071818-020 072-120812-012 072-120812-012 128-114696-029
RST-21920 157-120541-003 104-071818-025 072-120812-008 072-120812-008 128-114696-012 157-120541-004 104-071818-022 072-120812-012 072-120812-012 128-114696-029
RST-21925 157-120541-005 104-071818-028 072-120812-008 072-120812-008 128-114696-012 157-120541-006 104-071818-022 072-120812-012 072-120812-012 128-114696-029
RST-51530 157-120541-007 104-071818-028 072-120812-008 072-120812-009 128-114696-012 157-120541-008 104-071818-024 072-120812-008 072-120812-012 128-114696-029
RST-52038 157-120541-023 104-071818-045 072-120812-009 072-120812-009 128-114696-012 157-120541-024 104-071818-026 072-120812-008 072-120812-012 128-114696-029
RST-31518 157-120541-007 104-071818-025 072-120812-012 072-120812-008 128-114696-012 157-120541-008 104-071818-020 072-120812-012 072-120812-012 128-114696-029
RST-41524 157-120541-007 104-071818-026 072-120812-008 072-120812-008 128-114696-012 157-120541-008 104-071818-022 072-120812-012 072-120812-012 128-114696-029
RST-61536 157-120541-007 104-071818-046 072-120812-009 072-120812-009 128-114696-012 157-120541-008 104-071818-026 072-120812-008 072-120812-008 128-114696-029
RST-81545 157-120541-029 104-071818-049 072-120812-009 072-120812-009 128-114696-012 157-120541-030 104-071818-028 072-120812-008 072-120812-008 128-114696-029
RST-31720 157-120541-009 104-071818-025 072-120812-012 072-120812-008 128-114696-012 157-120541-010 104-071818-022 072-120812-012 072-120812-012 128-114696-029
RST-41726 157-120541-015 104-071818-028 072-120812-009 072-120812-009 128-114696-012 157-120541-016 104-071818-024 072-120812-012 072-120812-012 128-114696-029
RST-51732 157-120541-019 104-071818-045 072-120812-009 072-120812-009 128-114696-012 157-120541-020 104-071818-026 072-120812-008 072-120812-012 128-114696-029
RST-61740 157-120541-009 104-071818-045 072-120812-009 072-120812-009 128-114696-012 157-120541-010 104-071818-026 072-120812-008 072-120812-008 128-114696-029
RST-71848 157-120541-031 104-071818-046 072-120812-009 072-120812-010 128-114696-013 157-120541-032 104-071818-028 072-120812-009 072-120812-009 128-114696-029
RST-31922 157-120541-011 104-071818-026 072-120812-008 072-120812-009 128-114696-012 157-120541-012 104-071818-022 072-120812-012 072-120812-008 128-114696-029
RST-41930 157-120541-001 104-071818-029 072-120812-009 072-120812-009 128-114696-012 157-120541-002 104-071818-024 072-120812-008 072-120812-008 128-114696-029
RST-51936 157-120541-021 104-071818-045 072-120812-009 072-120812-009 128-114696-012 157-120541-022 104-071818-026 072-120812-008 072-120812-008 128-114696-029
RST-61945 157-120541-001 104-071818-046 072-120812-009 072-120812-009 128-114696-012 157-120541-002 104-071818-028 072-120812-008 072-120812-008 128-114696-029
RST-72156 157-120541-033 104-071818-020 072-120812-010 072-120812-010 128-114696-013 157-120541-034 104-071818-029 072-120812-009 072-120812-009 128-114696-029
RST-32024 157-120541-013 104-071818-026 072-120812-008 072-120812-009 128-114696-012 157-120541-014 104-071818-022 072-120812-012 072-120812-008 128-114696-029
RST-42336 157-120541-017 104-071818-045 072-120812-009 072-120812-009 128-114696-012 157-120541-018 104-071818-026 072-120812-008 072-120812-008 128-114696-029
RST-52548 157-120541-025 104-071818-046 072-120812-009 072-120812-010 128-114696-013 157-120541-026 104-071818-028 072-120812-008 072-120812-008 128-114696-029
RST-62660 157-120541-027 104-071819-020 072-120812-010 072-120812-010 128-114696-013 157-120541-028 104-071818-029 072-120812-009 072-120812-009 128-114696-011
RST-72672 157-120541-035 104-071817-016 072-120812-010 072-120812-010 128-114696-013 157-120541-036 104-071818-029 072-120818-009 072-120812-009 128-114696-011
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