Johnson & Starley JT19-25 Mk 2 Installation & Maintenance Instructions Manual

Installation & Maintenance Instructions
Models covered by these instructions
JT19-25 Mk 2 WARM AIR HEATER (MODAIRFLOW & Conventional Control)
(56.53)
UDC 697.
Publication ZZ 302/5
The JT19-25 Mk2 is a Gas Fired Warm Air Heater for open flue application. Output is adjustable between 5.6kW — 7.3kW (20MJ/h, 19,000 —
26.4MJ/h, 25,000 Btu/h) and there is 5 speed fan adjustment.
CIRCULATOR WATER HEATERS — all air heaters have provision for the internal fitting of a JANUS 3. or ELJAN or a HIJAN circulator.
If a water heater is provided factory fitted, the heater designation is JT19-25 Mk2 JAN ELJ or HIJ depending on requirement.
To fit a water heater on site, obtain from Johnson & Starley Ltd. a Janus 3 Water Heater and LK19 Fittings Kit.
To fit HIJAN order a HIJANS and LK19 and HEI192 Fittings Kit.
To fit ELJAN order an ELJAN S and LK19 and HEI192 Fittings Kit.
1 Components Check
2 Warm Air Installation requirements
3 Preparation
4 Air Heater Fixing
5 Water Connections
6 Commissioning
7 Maintenance
8 Fault Finding
9 Wiring Diagram
10 Short List of Spare Parts
1. COMPONENTS CHECK
NB: Check that Gas Group on heater data plate is as required JT19.25 Mk 2 AIR HEATER
Fig. 1
JT19-25 Mk 2 WARM AIR
HEATER