Roof Top Units
HA / 34 /45 /52 /61 / 75 / 89 / 110 RC
Roof Top Unit
12
WARNING
B
EFORE CARRYING OUT ANY WORK ON THE EQUIPMENT, MAKE
SURE THAT THE ELECTRICAL POWER SUPPLY IS
DISCONNECTED AND THAT THERE IS NO POSSIBILITY OF THE
UNIT BEING STARTED INADVERTENTLY.
NON-COMPLIANCE WITH THE ABOVE INSTRUCTIONS CAN LEAD
TO INJURY OR DEATH BY ELECTROCUTION.
IT IS ADVISABLE TO PADLOCK THE PROXIMITY SWITCH.
WARNING
G
COMMISSIONING
OPERATING UNITS
For reliable, efficient, trouble free operation of the unit, it is essential that the unit is correctly sized for the job, and
operates within its recommend supply air quantity and operating range.
Units must not be selected to operate outside the range of operating conditions as shown in the selection data.
Standard units are not suitable for operation on cooling below 16°C ambient. If the units are required to operate
below this ambient, a head pressure control system must be fitted.
.
WARRANTY
ECP (Australia) warrants its Air Conditioning Products to be free of defects in workmanship or material under normal
use and service subject to certain conditions.
As ECP (Australia) has not direct control over field work done during installation, claims resulting from damage to
equipment which can be attributed to this field work cannot be accepted.
The warranty period is 12 months for commercial applications. Labour optional extra.
1. PRE-START CHECK LIST
1.1 Electrical Check
(a)
Electrical installation has been carried out according to unit wiring diagram and the Supply Authority
Regulations.
(b)
Correct size fuses or circuit breaker installed at switchboard.
(c)
Supply voltages as specified on unit circuit diagram.
WARNING: Before attempting to start the compressor the sump heater must be operated for at least
t
1.2Visual Check
(a)
Clearance around unit including condenser air entry and discharge and service access.
(b)
Unit mounted as specified.
(c)
For loose or missing bolts or screws.
(d)
For refrigerant leaks in connections and components.
1.3 Ducting and Indoor Fan
(a)
Ducting
(i)
Connections flexible type, secure and detachable for service access.
(ii)
Seams and joints airtight.
(b)
Air Filter
(i)
Correctly located and accessible.
(ii)
Correct material.
(iii)
Correct dimensions.
