start-ups in the heating mode. After the 90 second
period has elapsed, if the low pressure switch opens, the
unit compressors will shut down.
After the first shut down, the unit will restart once the
switch(es) close and the anti short cycle timer has timed
out. If a safety switch opens again the unit will lock out
and must be manually reset.
A lockout can be reset by turning the unit thermostat off
and then back on or by shutting off unit power at the
circuit breaker.
ELECTRIC HEATER PACKAGE OPTION:
Factory or field installed internal electric heater packages
are available for all Geo-Miser series units. Two power
supplies are required when heater packages are utilized.
The power supply for the heater package (located in the
electric heater package control box) provides power for
the heater elements, the blower motor and the control
circuit for the unit. The power supply for the unit provides
power for the compressor(s). This allows the electric
heaters to continue to operate along with the blower
motor in the case of unit compressor and/or compressor
power supply failure.
When field installing a heater package, always remember
to remove the factory wired jumpers between the unit
power supply terminal block and the power interconnect
terminal block (see Figure #8). Failure to do so will cause
damage to the power supply circuit breakers and the
unit.
6
GO SERIES
208V 240V 208V 240V 208V 240V
❍ GO024, 030 HP050-1XS 4.8 17.3 20.0 L1/L2 27.1 30.4 30 30 8
❍ GO036 HP050-1XM 4.8 17.3 20.0 L1/L2 27.1 30.4 30 30 8
❍ GO024, 030 HP075-1XS 7.2 23.6 30.0 L1/L2 34.9 42.9 40 45 8
❍ GO036 HP075-1XM 7.2 23.6 30.0 L1/L2 34.9 42.9 40 45 8
❍ GO024, 030 HP100-1XS 9.6 34.7 40.0 L1/L2 48.8 55.4 50 60 6
❍ GO036 HP100-1XM 9.6 34.7 40.0 L1/L2 48.85 55.4 50 60 6
❍ GO042, 048, 060, 072 HP100-1XL 9.6 34.7 40.0 L1/L2 52.2 5.8 60 60 6
❍ GO036 HP150-1XM 14.4 52.0 60.0 TOTAL 73.9 83.8 80 90 4
HP150-1XM 14.4 34.7 40.0 L1/L2 48.8 55.4 60 60 6
17.3 20.0 L3/L4 21.7 25.0 25 25 10
❍ GO042, 048, 060, 072 HP150-1XL 14.4 52.0 60.0 TOTAL 73.9 83.8 80 90 4
HP150-1XL 14.4 34.7 40.0 L1/L2 52.2 58.8 60 60 6
17.3 20.0 L3/L4 21.7 25.0 25 25 10
❍ GO048, 060, 072 HP200-1XL 19.2 69.3 80.0 TOTAL 92.2 105.4 100 110 2
HP200-1XL 19.2 34.7 40.0 L1/L2 48.8 55.4 50 60 6
34.7 40.0 L3/L4 43.4 50.0 45 50 6
GEO -MISER HEATER KW HEATER CIRCUIT MCA MAX AWG
MODEL MODEL AMPS FUSE MIN
All heaters rated single phase 60hz, and include unit fan load. All fuses type “D” time delay or HACR type breaker or HRC FORM
1 Wire size based on 60 deg. C copper conductors.
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