Specifications

Megaflo He

nals are provided and identied in the Wiring Centre to enable any wiring to be connected

to the same central position.

The mains supply must be via a double pole isolating switch with a contact separation of at

least 3mm in both poles. The supply must be fused 3Amp. A supply cable of 1.0 to 1.5mm

cross sectional area should be used.

5.5 PROGRAMMER AND ROOM TEMPERATURE SENSOR

The Programmer and Room Temperature Sensor are supplied loose such that they can

be installed at a convenient location within the property. These items are supplied with

their own Installation and User Instruction leaet which should be referred to for details

of mounting, wiring and programming. NOTE the Room Sensor is wired directly to the

Programmer not to the Wiring Centre. The Room Sensor must be used, it is not possible

to integrate a standard room thermostat with the Programmer. Temperature setting of the

room temperature is also done at the Programmer, there is no adjustment at the Room

Temperature Sensor. Temperature setting of the stored water in the Premier Plus System-

Fit is done at the indirect thermostat housed within the Indirect Terminal Housing on the

front of the Premier Plus SystemFit unit (see Diagram 8).

Basic Programmer features:

• 24 Hour or 5/2 Day operation

• Room temperature setting at Programmer

• Set temperature over-ride facility

• 1 Hour hot water boost facility

• Battery back up retains programmed information in the event of a power interuption

• Low temperature set back option for periods when the property is unoccupied, eg.

holiday periods

• Independent time control of Central Heating and Domestic Hot Water (Building Regu

lation Part L1 compliant)

NOTE: The Programmer supplied will only provide control for one CH zone. Should a

second CH zone be required additional controls will be needed (not supplied) to fulll the

requirements of Building Regulation Part L1.