Carrier 42GW - Installation Manual

42 GW GB - 4 General Information Unit installation Read this instruction manual thoroughly before startinginstallation. • This unit complies with the low-voltage (EEC/73/23) and electromagnetic compatibility (EEC/ 89/336) directives. • The installation should be carried out by a qualified installer....

42 GW GB - 6 Installation Prior to installation It is advisable to place the unit as close as possible to the installation sitebefore removing it from the packaging. The grille panel and the controlare separately packed for maximum protection. IMPORTANT:Do not lift the unit by the condensate drain d...

GB - 7 42 GW E N G L I S H Installation Threaded hangers "T" bar(to be removed) False ceiling Spirit level Suspension brackets mm • To ensure correct condensate water flow, the drain pipe should have a gradient of 2% without obstructions. Furthermore anodour trap of at least 50 mm depth shou...

42 GW GB - 8 A B Installation Installation of grille/frame assembly Carefully unpack the assembly and check for damage sustained intransit. Attach the assembly to the unit by using the two hooks. Use the screws supplied to fix the frame in position. Frame pre-hooking support Safety belt Frame fixing...

GB - 9 42 GW E N G L I S H • The unit control circuit only allows opening of the motorized valve when the fan motor is working.(See wiring diagrams) • When the thermostat asks for cooling, terminal 1 of TB3 (cold water) is supplied with 230V.When it asks for heating, terminal 2 of TB3 (hot water ore...

42 GW GB - 10 Fan speedH = high speedM = medium speedL = low speed Heat Cool Motorized valve and control 230V valve connection or230V valve relay connection Instructions for field supplied valves Water connection • Install valves following manufacturer's instructions; refer to the relevant figures f...

GB - 11 42 GW E N G L I S H Motorized valve and control • If these connections are not made as described the drain pan condensate may overflow. • Valves should only open when the fan motor is working, i.e. when one of TB1 terminals 1 or 2 or 3 is supplied from TB1terminal 4. • The optional electric ...

42 GW GB - 12 IMPORTANT for units with electric heaters;The unit is equipped with two thermostats: one with automaticreset and one with manual (electric) reset that can bereactivated by switching the power supply off and then on. Connect the power cables to terminal box connectors inaccordance with ...

42 GW GB - 13 E N G L I S H Electric heater supply Valves connection:select the diagram according to thesystem type 햻 햺 햹 햸 햲 햳 햴 햵 햶 햷 햿 헀 W W R A C C C C Y-G Y- G G G C C B B Y-G Y- G R R R R 1 2 3 4 5 6 7 9 1 2 3 6 7 8 10 11 5 43 2 1 TB3 TB1 HR F1 CR PR PCB IFM PS 1 2 FS 2 1 C2_F C2_M 2 1 3 2 C1_...

42 GW GB - 14 Air intake grille Fresh air renewal and conditioned air supply to an adjacent room • Side knockouts allow connection of fresh air inlet ducts and ducts to deliver conditioned air to an adjacent room. • Remove the external prepunched anti-condensate insulation and take away the knockout...

GB - 15 42 GW E N G L I S H Air flow m 3 /h A vailable static pressure - Pa Fresh air renewal • The optional supplementary fan for fresh air intake (field supplied) has to be connected to terminal block as perdiagrams enclosed.Fan motor operation is parallel to the thermo-electric controlvalve, and ...

42 GW GB - 16 Maintenance and owner's guide Maintenance Cleaning and maintenance operations must be carried out byspecially trained personnel. Before performing any service or maintenance operations,turn OFF the main power switch. To open the unit grille: Turn the two screws through 90 ° (1/4 turn)....