C&H GUHN48NM3AO Owner's Manual

O W N E R ' S M A N U A L M A N U A L C&H A IR C O N D ITI O N E R S Air Conditioner FLOOR-TO-CEILING SERIES MODELS: indoor u

9 Unit off display 10 Clock display 11 Confirm button 12 Increase button 13 Decrease button 14 Cacel/delete button 15 Single/group button 16

Note: 1. For upper unit checks 16 lower units consecutively, there will be no more than 16 seconds delay

Wire controller (with week timer functions) WARNING! ●Never install the wired controller where there is water leakage. ●Never knock, throw o

1) ON/OFF（Fig.2） Press the “ON/OFF” button, the unit will start running. Press the “ON/OFF” button again, the unit will stop running.

Setting temperature range under each mode: HEAT -------- 16℃～30℃ COOL -------- 16℃～30℃ DRY -------- 16℃～30℃ FAN -------- can not be set Au

the outdoor unit will be frosted resulting in low efficiency of heating, in which case, the controller will automatically start to defrost with DEFR

In timing setting mode, press MODE button to select any desired setting object: Week (1-7), timer interval (1-4), timing (Timer on or Timer off time

In deleting timing status, press ▲ or ▼ button to select one day of a week, and then press TIMER button to confirm, in which

blinking. Press▲ and ▼ to set lower-limit cooling temp (setting range is16－30) and then press ON/OFF to fix .Press ▲ and ▼ to set upper-li

Fig.17 Codes Malfunction E0 Water pump malfunction E1 Compressor high-pressure protection E2 Indoor anti-freezing protection E3 Compressor lo

Safety Considerations Please read this manual carefully before use and operate correctly as instructed in the manual. 1 You are specially warned

CHECKING BEFORE CONT PROBLEM ACT THE SERVICE MAN OPERATION INSTRUCTIONS CAUSES RE CONTACT THE SERVICE MAN CCAA

Indoor Unit Installation INSTALLATION INSTRUCTIONS INSTALLATION DIMENSIONS OF THE INDOOR UNIT When installing the indoor un

Indoor Unit Installation INSTALLATION INSTRUCTIONS SELECTION OF INSTALLATION LOCATION. Such a place where cool air can be distributed t

Fig.25 Indoor Unit Installation INSTALLATION INSTRUCTIONS Set the suspension bolt.(Use W3/8 or M10 size suspension bolts) Adjust the

Outdoor Unit Installation INSTALLATION INSTRUCTIONS Fig.31 Fig.32 CAUTION

Outdoor Unit Installation INS TALLATION INS T R UC T IONS Electric wiring connection GUHN18NK3AO GUHN2

Profile Dimensions of Outdoor Unit Profile Dimensions of Outdoor Unit

Schematic Diagram of Unit Line Connection INSTALLATION INSTRUCTIONS Electric wiring connection The section area of cables selected by

Schematic Diagram of Unit Line Connection INSTALLATION INSTRUCTIONS GUHN18NK3AO GUHN24NK3AO GUHN36NM3AO GUHN48NM3AO

Position and Method of Installing Wire Controller INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS Position and Method of Installing Wire Contr

9 Failure st atus display 10 Sleep st atus display 11 Mode key 12 Se t temperatur e incr ease key 13 Se t temperatur e decr ease key 14 Fa

Position and Method of Installing Wire Controller INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS Position and Method of Installing Wire C

Position and Method of Installing Wire Controller INSTALLATION INSTRUCTIONS Caution: Before installing the electrical equipment, please pay atten

PIPE PREPARATION OPERATION INSTRUCTIONS

REFRIGERANT PIPING WORK OPERATION INSTRUCTIONS Item Model Size of Fitting Pipe (mm) Max. Pipe Length (m) Max. Height Diffe

AIR PURGING AND CHECK OF PIPE LEAKAGE OPERATION INSTRUCTIONS

LIQUID PIPE AND DRAIN PIPE OPERATION INSTRUCTIONS

DRAIN PIPING WORK OPERATION INSTRUCTIONS45

ROUTINE CHECK AFTER INSTALLATION OPERATION INSTRUCTIONS Check after installation Items to be checked Possible malfunction Situation Has it bee

Test condition Indoor side Outdoor side DB(C) WB(C) DB(C) WB(C) Nominal cooling 27 19 35 24 Nominal heating 20 -- 7 6 Rated cooling 32 23 43 26 L

This product must not be disposed together with the domestic waste. This product ha

Operating instructions of wire controller Turning ON/OFF unit Press the ON/OFF key, then the unit shall start up. Press the ON/OFF key

Swing function setting SWING Press Swing button then the swing mode will be operated by the air conditioner. Repress Swing button once to s

Operating Mode Setting SWING TIMER This key is pressed consecutively, the operating mode shall change as per the following sequence

Timer Setting SWING TIMER When the unit is shut off, timing start can be set; After the unit is started up, timing shutoff can be set

Display outdoor temperature Under normal conditions, the “OUT ENV” column shall only display the indoor temperature. Press the “SLEEP” key fo

Failure Display SWING When there is failure in the unit operation, “ERROR” will flash on the LCD of the wire controller and