NANO CNG

HVAC

881

HVAC

Installation

1. Mount HVAC unit on dashboard and tighten two

bolts (Thus securing HVAC unit with dashboard)

on ‘CCB’ bracket. The HVAC unit is free to travel

along oblong slot along HVAC mounting bracket.

2. Connect all electrical connectors of wiring harness.

3. Mount HVAC unit along with dashboard and tighten

all mounting bolts of cross beam member.

4. Connect refrigerant and heater lines/pipes and

tighten expansion valve nut.

NOTE:

Make sure that O-rings are intact and properly seated

in their grooves. Apply few drops of ND8 compressor

Oil on O-rings before fitment.

5. Tighten two nuts of HVAC unit located inside the

hood area. The bolts on firewall are designed as

supporting mounting, hence excessive torque

should not be applied on them.

6. Evacuate and recharge air conditioning system

(Refer Refrigerant Recovery, Recycling and

Recharging)

7. Reconnect battery.

8. Perform a leak test. (Refer Leak Test procedure)

9. Carry out A/C functional check. (Refer A/C

performance check procedure).

10.Tighten mounting bolts of steering column.

11. Tighten two screws of bottom cover nacelle.

12.Fit HVAC control assembly (Refer HVAC Control

assembly installation procedure/HVAC group)

13.Fit Instrument Cluster (Refer Instrument Cluster

installation procedure/ Body Electrical group)

14.Fit Combi Switch assembly (Refer Combi Switch

assembly installation procedure/Body Electrical

group)

15.Fit Steering Wheel. (Refer steering wheel

installation procedure/Steering system group)

16.Refit instrument cluster.

17.Refit spare wheel