
12881 Bradley Ave
Sylmar,CA91342
Phone: 818-362-9465
Fax:818-362-6548
www.hydrel.com
©2006 Hydrel
Rev. 8/28/06
INS-94_97_98 HIDMRIS REV_0
NOTE: HYDREL RESERVES THE RIGHT TO MODIFY SPECIFICATION WITHOUT
NOTICE. Any dimension on this sheet is to be assumed as a reference
dimension: "Used for information purposes only. It does not govern
manufacturing or inspection requirements." (ANSI Y14.5-1973)
TO PULL ELECTRICAL CONDUCTORS
1. Remove temporary cover with fastener wrench
provided.
2. Remove junction box cover and gasket. Pull
conductors.
3. Seal conduit entry with suitable compound to
prevent moisture penetration from conduit
system.
4. Re-install junction box cover and gasket with
fasteners provided. CAUTION: DO NOT OVER
TIGHTEN (20 in-lbs or 2 N-m).
5. Re-install temporary cover with supplied fasten-
ers. CAUTION: DO NOT OVER TIGHTEN (20 in-lbs
or 2 N-m).
CAUTION: LEAVE TEMPORARY COVER IN PLACE
UNTIL READY TO INSTALL FINISHING SECTIONS.
INSTALLATION DIAGRAM
TO INSTALL
1. Dig hole to appropriate depth allowing for 6"
minimum of pea gravel at bottom of rough-in-
section for drainage.
Note: More pea gravel or additional drainage
may be required in locations that have poor soil
drainage and/or subject to freezing.
2. Install the rough-in-section flush with finish
grade of earth or concrete only.
CAUTION: WHEN INSTALLING IN ORGANIC
MULCH, SURROUND ROUGH-IN-SECTION WITH
APPROX. SIX INCHES (15cm) OF SAND OR OTHER
NON-ORGANIC SUBSTANCE.
CAUTION: TEMPORARY COVER MUST REMAIN
IN HOUSING DURING INSTALLATION.
3. Connect conduit to junction box. Use suitable
thread sealing compound.
M9400 MODELS M9700 MODELS M9800 MODELS
INCANDESCENT INCANDESCENT INCANDESCENT
FLUORESCENT FLUORESCENT HID
LOW VOLTAGE HID
HID (M9450 ONLY)
INSTALLATION DIAGRAM
ROUGH-IN SECTION
(MRIS)
M94/M97/M98 MRIS
INSTALLATION INSTRUCTIONS
Installation should be performed by a qualified
electrician in accordance with the National Electrical Code and
relevant local codes.