Advertisement
START- - UP
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Before proceeding, verify that all wiring is correct per
factory approved schematic. Notify factory immediately of
any discrepancies.
NOTE: Refer to base unit installation instructions as required.
1. Check for loose terminal connections.
2. Check that all fuse and circuit breaker short circuit
interrupting ratings are adequate.
3. Turn on unit and heater power.
4. Set thermostat to call for heat.
5. Check operation of heater.
6. Check that airflow across the heater is at or above the
minimum recommended CFM requirement (See unit
installation instructions). Adjust indoor blower heat speed
as required. Check that duct system conforms to static
pressure limits in Table 1.
Heater
Fuse Block
Field Wire
Connection
Heater Door
(Fused Models Only)
Shown Open
Compressor
Contactor Wire In
Yellow & Black
Strain Relief for
Field Power Wires
NOTE: See Table 1 for Non- -Export units (with - -3, - -5 or - -6 as
electrical option- -see product data).
7. Any modifications or repairs to this equipment without
written permission from the factory will be done at the
installer's own risk and expense.
1. Fuses - - Malfunction will interrupt power to the unit. Check
for cause of failure, replace fuses.
2. Limit Switch - - Malfunction prevents heating element(s)
from being energized. Replace switch if malfunction occurs.
3. Contactor - - Malfunction will not allow heater to energize.
Replace faulty contactor. Do not attempt to replace coil or
dress contacts.
Table 1 – Maximum Duct Static Pressure for Non- -Export
UNIT
(60 HZ UNITS)
Heat Pump
Electric
Cooling
*15kW size 030 heat pump must be used with medium speed only. All oth-
ers can be run at low speed.
Fig. 10 - - Heater Control Box
8
TROUBLESHOOTING
Units (IN. W.C.) (pa)
MAXIMUM STATIC PRESSURE
UNIT SIZE
018
024
030
036
042
.30
.30
.30*
.30
.50
(75)
(75)
(75)
(75)
(125)
.30
.30
.30
.30
.50
(75)
(75)
(75)
(75)
(125)
Attach Heater
with 5 Screws
Door Latch
Low Voltage Wiring
Ground Lug
Location
048
060
.50
.50
(125)
(125)
.50
.50
(125)
(125)
A06276
Advertisement
