SERVICE MANUAL - Alarko Carrier

No.
Part name
Procedure
Remarks
7
Pulse motor
valve coil
1. Detachment
1) Perform work of item 1 and 2 .
2) Release the coil from the notch by turning it,
and remove coil from the pulse motor valve.
PMV coil
Lead wire
take-out port
Positioning bracket
at coil side
2. Attachment
1) Put the coil deep into the bottom position.
2) Fix the coil firmly by turning it to the notch
position.
ID mark
Positioning concavity
at PMV unit side
(72˚ pitch)
The pulse motor valve has A, B, C and D
room side.
After mounting it, check that coil at B room
side (Nothing is marked on the pulse motor
valve.) is connected to CN702.
Check that coil at C room side (Red marking
is marked on the pulse motor valve.) is
connected to CN703. Check that coil at D
room side (Blue marking is marked on the
pulse motor valve) is connected to CN704 of
the control board assembly respectively.
ID mark
PMV unit
Mounting Method of
Pulse Motor Valve (PMV) Coil
Set the positioning bracket on
the PMV coil to a concavity at
PMV unit side and fix PMV coil.
In this time, match color of ID
mark at the coil side with that of
ID mark at the PMV unit side.
Make sure also that pipes do
not deform when inserting and
fixing the coil.
8 Fan guard
1. Detachment
1) Perform work of item 1 .
2) Remove the front cabinet, and put it down so
that fan guard side directs downward.
Perform work on a corrugated cardboard,
cloth, etc. to prevent flaw to the product.
3) Remove the hooking claws by pushing minus
screwdriver according to the arrow mark in the
right figure, and remove the fan guard.
2. Attachment
1) Insert claw of the fan guard in the hole of the
air outlet panel.
Push the hooking claws (5 positions) by hands
and fix the claws.
Minus screwdriver
Hooking claw
After all the attaching works are complected,
check that all the hooking claws are fixed to
the specified positions.
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