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Three Zone Installations
I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n H H a a z z a a r r d d s s located in the S S a a f f e e t t y y P P r r e e c c a a u u t t i i o o n n s s
section of this manual before proceeding.
I I m m p p o o r r t t a a n n t t : : For the system to operate correctly:
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All Z Z o o n n e e O O n n e e harnesses at the condensing unit must be connected only to the Z Z o o n n e e O O n n e e evaporator.
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All Z Z o o n n e e T T w w o o harnesses at the condensing unit must be connected only to the Z Z o o n n e e T T w w o o evaporator.
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All Z Z o o n n e e T T h h r r e e e e harnesses at the condensing unit must be connected only to the Z Z o o n n e e T T h h r r e e e e evaporator.
N N o o t t e e : : Superlube (203-524 or equivalent) must be applied to all electrical connections.
R R e e f f e e r r t t o o t t h h e e i i l l l l u u s s t t r r a a t t i i o o n n o o n n t t h h e e f f o o l l l l o o w w i i n n g g p p a a g g e e . .
1. E E V V A A P P O O R R A A T T O O R R H H A A R R N N E E S S S S E E S S - Attach the 6 pin connectors to the correct (Zone One, Two or Three) mating
connectors at the back of condensing unit ( ( D D e e t t a a i i l l A A ) ) .
2. Attach the 2 pin connectors (FM1, CH1 and FM2, CH) to the correct (Zone One, Two or Three) mating connectors at
the back of the condensing unit ( ( D D e e t t a a i i l l A A ) ) .
3. Route each harness to terminal block of correct (Zone One, Two or Three) evaporator.
a. Cut wires (HGS, SLS, LLS, FM1, FM2, SC, DH, CH1 and CH) to length, strip 7 mm (0.25 in.) from ends and attach
ring terminals onto CH1 and CH wires and forked terminals on all others.
b. Connect wires (HGS, SLS, LLS, DH, FM1, FM2, and SC) to each terminal block ( ( D D e e t t a a i i l l B B ) ) .
c. Connect wires (CH1 and CH) to the ground stud of each evaporator ( ( D D e e t t a a i i l l B B ) ) .
4. Attach the sensor connectors to the mating connectors located in the correct (Zone One, Two or Three) evaporator
( ( D D e e t t a a i i l l C C ) )
a. Coil Temperature Sensor (CTN, CTP)
b. Discharge Air Temperature Sensor (DTN, DTP)
c. Return Air Temperature Sensor (RTN, RTP)
I I m m p p o o r r t t a a n n t t : : Gold terminal pins supplied in installation kit must be used if sensor harnesses are cut to length.
5. Secure all harnesses with adequate clamps or ties approximately every 600 mm (24 in.).
TK 56701-1-IM-EN
ZONE ONE
ZONE TWO
FM1A, CHF-1
FM2A, CHF-3
FM1B, CHF-2
FM2B, CHF-4
W W i i r r e e C C o o n n n n e e c c t t i i o o n n s s
ZONE THREE
FM3A, CHF-5
FM3B, CHF-6
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