Test Sequence - Vip With Small Hvac System - PREVOST H3-41 Maintenance Manual

4.2.3 Test Sequence – VIP With Small HVAC System
Go to the condenser compartment
Then 5 beeps can be heard from the back-up alarm to indicate to go to the engine compartment and main
power compartment.
In the engine compartment,
sequence is as follows
5 beeps from the back-up alarm indicate to go to the spare wheel compartment behind the reclining
bumper.
Inside the spare wheel compartment
To exit the electric motors test sequence, press ESCAPE button, select TERMINATE TESTS &
FORCED STATES submenu and then press ENTER button twice.
Test Sequence – VIP With Smal System
the
PA1621 Maintenance Manual All Series | Revised Sept 2019
Driver's unit fresh air damper opening. [20
•
seconds delay]
The condenser fan start. Speed will gradually
•
increase to maximum speed. [3 seconds delay]
The main power compartment fan activates for 3
•
seconds.
A/C compressor clutch activated 3 times. [5
•
seconds delay]
The electric cooling fans start running for 20
•
seconds.
Auxiliary unit refrigerant solenoid valve activates
•
3 times. [10 seconds delay]
Hot water pump starts running for 5 seconds.
•
Driver's unit refrigerant solenoid valve activates
•
3 times.
Driver's unit hot water pneumatic valve cycles 3
•
times.
• Closing of the fresh air dampers.
SECTION 06: ELECTRICAL
31