Myson MRT1 User manual

SPECIFICATION OF THESE PRODUCTS WITHOUT PRIOR NOTIFICATION.
IN ACCORDANCE WITH OUR POLICY OF CONTINUAL PRODUCT IMPROVEMENT, WE RESERVE THE RIGHT TO A MEND THE
MYSON MRT1: ROOM TEMPERATURE THERMOSTAT.
N
L
LOAD
4 3 1
HEATING
230V~
Sw tch ng D fferent al: 1.3
Operat ng Range: 6 to 30
Amb ent Hum d ty: 5 to 95% Relat ve Hum d ty.
Amb ent Temperature: 0 to 50
Enclosure Protect on: IP20.
Enclosure Insulat on: Class II, (double nsulated).
Sw tch Rat ng: 15(2.5)A
Supply Voltage: 230V~, 50Hz.
TECHNICAL DATA.
D sconnect ma ns supply before remov ng cover.
PRECAUTIONS AGAINST ELECTRIC SHOCK HAZARD.
Installat on & ma ntenance must be carr ed out by su tably qual f ed
personnel and n accordance w th current IEE w r ng regulat ons.
Funct on: Control of room temperature by electr cal sw tch ng of control c rcu t.
Construct on: Electro Mechan cal Sw tch.
C.
o
C.
o
C.
o
Pollut on S tuat on: Normal.
CIRCUIT WIRING DIAGRAM.
Do not mount to unearthed metal or metal sed surfaces.
INSTALLATION INSTRUCTION.
F xed w r ng nstallat on must be employed. A class 'A' sw tch, (hav ng
contact separat on of at least 3mm n all poles) must be ncorporated n the f xed w r ng as a
means of d sconnect ng the supply. Use a fuse rated at 3 amps to protect the system.
Installat on Deta ls: See w r ng d agram below and nstallat on nstruct ons overleaf.
SC1959: Rev s on 2.
MYS ON LTD, EASTERN AVENUE,
SALES OFFICE No.: 0845 402 3434
TYNE & WEAR, NE11 0PG
MYS ON CONTROLS
TEAM VALLEY, GATESHEAD,

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UP
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321
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346 5 2 1
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COVER REMOVAL.
slot on the s de of the thermostat.
2: Lever screwdr ver upwards to pr se
3: Rotate cover free of the thermostat.
4: Remove the term nal cover.
Wall F x ng. (Choose e ther Surface or Concealed W re F x ng.)
Surface F x ng. Concealed W re F x ng.
4: Use pl ars to remove 'break-out'
3: W re as nd cated n w r ng d agram overleaf.
2: Route the cable n cable trunk ng as shown.
1: F x thermostat to wall us ng two screws as shown.
4: W re as nd cated n w r ng d agram overleaf.
2: Route the cable through the backplate and beneath the
3: F x the thermostat to the backplate us ng two screws as shown.
1: F x backplate to wall box us ng two screws as shown.
FITTING TEMPERATURE LIMITS.
3: F t the l m ts to the rear of the d al as shown.
2: Use a sn ps to cut the two l m ts
4: Ref t the d al to the thermostat ensur ng that the flat of the
1: Remove the d al from the thermostat
1-1.5m
POSITIONING OF THERMOSTAT.
from the cover so as to allow
1: Insert blade of screwdr ver nto the cl p
the cover off the cl p.
cover f t over surface cable.
term nals of the thermostat.
4 3 4 3
(recommended pract ce)
REASSEMBLY.
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30
25
20
15
6 34 2 15
1: F t term nal cover over the term nals.
2: Locate cover over thermostat so that the two locat ng
3: Rotate cover downwards so that t engages on the
thermostat locat ng protrus on.
thermostat cl p.
match ng receptacles on the ns de of the cover.
protrus ons of the thermostat al gn w th the r
thermostat cl p.
by gently pr s ng t forward.
away from the thermostat.
d al hub l nes up w th the flat of the thermostat sp ndle.
INSTALLATION INSTRUCTION.
2: Do not locate n a pos t on d rectly exposed to heat from the rad ator, sunl ght, or other heat
1: Locate the thermostat at a he ght between 1 and1.5 metres from the floor.
3: In the case of a room w th a s ngle rad ator, locate on the wall adjacent to the wall of the rad ator
4: In the case of a room w th mult ple rad ators, try to locate on a wall central to all rad ators
sources